266828662 has 8 divisors (see below), whose sum is σ = 405309600. Its totient is φ = 131725464.

The previous prime is 266828657. The next prime is 266828663.

266828662 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266828663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844237 + ... + 844552.

It is an arithmetic number, because the mean of its divisors is an integer number (50663700).

Almost surely, 2^266828662 is an apocalyptic number.

266828662 is a deficient number, since it is larger than the sum of its proper divisors (138480938).

266828662 is a wasteful number, since it uses less digits than its factorization.

266828662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688870.

The product of its digits is 663552, while the sum is 46.

The square root of 266828662 is about 16334.8909393360. The cubic root of 266828662 is about 643.7899006657.

It can be divided in two parts, 26682 and 8662, that added together give a square (35344 = 188²).

The spelling of 266828662 in words is "two hundred sixty-six million, eight hundred twenty-eight thousand, six hundred sixty-two".